| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [v-ing] [prep] [vb infin] | 5784 |
|
| 2 | [Wh det] [be] [v-ing] [prep] [verb] | 101 |
|
| 3 | [Wh det] [be] [verb] [prep] [vb infin] | 96 |
|
